In the Customers section in your Shopify account: Check the boxes beside all the customer accounts you'd like to tag Click the Actions dropdown menuSelect Add TagsEnter the tag to addClick Apply ChangesRelated ArticlesHow do customer accounts work?How do I automatically tag new customer accounts?How to Use Customer Tags with Discount Groups in Wholesale Pricing NowHow do I automatically tag new customer accounts?Can I create a discount group for all customers without a tag?